With ` response content encoding `

➜  ~ file test.gz
test.gz: gzip compressed data, from Unix, original size modulo 2^32 1684
➜  ~ gunzip test.gz
test already exists -- do you wish to overwrite (y or n)? y
➜  ~ file test
test: gzip compressed data, original size modulo 2^32 9218

➜  ~ file test.gz
test.gz: gzip compressed data, from Unix, original size modulo 2^32 1684
➜  ~ gunzip test.gz
test already exists -- do you wish to overwrite (y or n)? y
➜  ~ file test
test: gzip compressed data, original size modulo 2^32 9218

➜  ~ file test.gz
test.gz: gzip compressed data, original size modulo 2^32 9218
➜  ~ gunzip test.gz
test already exists -- do you wish to overwrite (y or n)? y
➜  ~ file test
test: JSON data

➜  ~ file test.gz
test.gz: gzip compressed data, original size modulo 2^32 9218
➜  ~ gunzip test.gz
test already exists -- do you wish to overwrite (y or n)? y
➜  ~ file test
test: JSON data